Public Health News

August 2, 2025

Top Headlines

Unwanted Pregnancies Surge With Alcohol, but Not With Cannabis, Study Finds

Aug. 1, 2025 — Women who drank heavily, even though they strongly wished to avoid pregnancy, were 50% more likely to become pregnant than those who drank little or not at all, according to new research. Surprisingly, cannabis use didn t show the same ...

COVID Vaccines Saved 2. 5M Lives Globally—a Death Averted Per 5,400 Shots

July 27, 2025 — Between 2020 and 2024, COVID-19 vaccines saved 2.5 million lives globally, preventing one death for every 5,400 doses. A groundbreaking worldwide study led by researchers from Università Cattolica and Stanford University reveals that most lives ...

Even Without Catching COVID, the Pandemic May Have Quietly Aged Your Brain

July 24, 2025 — Even people who never caught Covid-19 may have aged mentally faster during the pandemic, according to new brain scan research. This large UK study shows how the stress, isolation, and upheaval of lockdowns may have aged our brains, especially in ...

Three-Person DNA IVF Stops Inherited Disease—eight Healthy Babies Born in UK First

July 18, 2025 — In a groundbreaking UK first, eight healthy babies have been born using an IVF technique that includes DNA from three people—two parents and a female donor. The process, known as pronuclear ...

Why Trump’s Leg Swelling Could Be a Warning Sign for Millions

July 18, 2025 — President Trump s diagnosis of Chronic Venous Insufficiency (CVI) has brought renewed attention to a frequently overlooked yet dangerous condition. CVI affects the ability of veins especially in the legs to return blood to the heart, often leading ...

Deadly Disguise: How Candy-Like Nicotine Pouches Caused a 763% Spike in Child Poisonings

July 14, 2025 — A massive spike in young children accidentally ingesting nicotine pouches has alarmed poison control researchers, with a 763% rise reported between 2020 and 2023. Unlike other nicotine products, ...

Not All Exercise Boosts Mental Health — It’s the Why That Matters Most

July 13, 2025 — Movement helps your mood, but it's not one-size-fits-all. Exercising for fun, with friends, or in enjoyable settings brings greater mental health benefits than simply moving for chores or obligations. Researchers emphasize that context — who ...

Matching Your Workouts to Your Personality Could Make Exercising More Enjoyable and Give You Better Results

July 9, 2025 — Less than a quarter of us hit WHO activity targets, but a new UCL study suggests the trick may be matching workouts to our personalities: extroverts thrive in high-energy group sports, neurotics ...

Hate Exercise? Neuroscience Maps the Routine Your Personality Will Love

July 8, 2025 — A new UCL study reveals that aligning workouts with personality boosts fitness and slashes stress—extroverts thrive on HIIT, neurotics favor short, private bursts, and everyone benefits when enjoyment leads the ...

Pregnancy’s 100-Million-Year Secret: Inside the Placenta’s Evolutionary Power Play

July 6, 2025 — A group of scientists studying pregnancy across six different mammals—from humans to marsupials—uncovered how certain cells at the mother-baby boundary have been working together for over 100 ...

Scientists Just Found a Major Flaw in a Key COVID Drug Study

July 4, 2025 — A promising path to fighting COVID and other coronaviruses may have been based on a serious mistake. Scientists had zeroed in on a part of the virus called the NiRAN domain, believed to be a powerful target for new antiviral drugs. But when a ...

Acid-Busting Diet Triggers 13-Pound Weight Loss in Just 16 Weeks

June 26, 2025 — Swap steaks for spinach and you might watch the scale plummet. In a 16-week crossover study, overweight adults who ditched animal products for a low-fat vegan menu saw their bodies become less acidic and dropped an average of 13 pounds—while the ...

Latest Headlines

updated 2:39pm EDT

Cognitive Collapse and the Nuclear Codes: When Leaders Lose Control

July 17, 2025 — A shocking study reveals that many leaders of nuclear-armed nations—including US presidents and Israeli prime ministers—were afflicted by serious health problems while in office, sometimes with ...

It’s Not That You Look—it’s When: The Hidden Power of Eye Contact

July 17, 2025 — A groundbreaking study from Flinders University reveals that it's not just making eye contact that matters, but precisely when and how you do it. By studying interactions between humans and virtual ...

Mining the Deep Could Mute the Songs of Sperm Whales

June 24, 2025 — Exploration for deep-sea minerals in the Clarion Clipperton Zone threatens to disrupt an unexpectedly rich ecosystem of whales and dolphins. New studies have detected endangered species in the area ...

Superbugs in Your Shrimp: Deadly Colistin-Resistance Genes Ride on Imported Seafood

June 22, 2025 — Colistin, a last-resort antibiotic, is losing its power due to rising resistance—and the culprits might be hiding in your seafood dinner. A ...

HIV Is Surging in Over-50s—But Campaigns Still Target the Young

June 21, 2025 — HIV is surging among adults over 50 in sub-Saharan Africa, yet prevention and treatment campaigns still focus mainly on the young. New research reveals older adults face comparable or higher ...

Clean Energy, Dirty Secrets: Inside the Corruption Plaguing California’s Solar Market

June 11, 2025 — California s solar energy boom is often hailed as a green success story but a new study reveals a murkier reality beneath the sunlit panels. ...

The Future of AI Regulation: Why Leashes Are Better Than Guardrails

May 30, 2025 — Many policy discussions on AI safety regulation have focused on the need to establish regulatory 'guardrails' to protect the public from the risks of AI technology. Experts now argue that, instead of ...

Amphibian Road Mortality Drops by Over 80% With Wildlife Underpasses, Study Shows

May 30, 2025 — A new study shows that wildlife underpass tunnels dramatically reduce deaths of frog, salamanders, and other amphibians migrating across ...

Earlier Measles Vaccine Could Help Curb Global Outbreak

May 30, 2025 — The global measles outbreak must trigger an urgent debate into whether a vaccine should be recommended earlier to better protect against the highly contagious disease during infancy, a new review ...

Trees Vs. Disease: Tree Cover Reduces Mosquito-Borne Health Risk

May 30, 2025 — A study finds small-scale tree cover in Costa Rica boosts biodiversity while limiting dangerous mosquito ...

A Cheap and Easy Potential Solution for Lowering Carbon Emissions in Maritime Shipping

May 29, 2025 — Reducing travel speeds and using an intelligent queuing system at busy ports can reduce greenhouse gas (GHG) emissions from oceangoing container vessels by 16-24%, according to researchers. Not only ...

Mother's Warmth in Childhood Influences Teen Health by Shaping Perceptions of Social Safety

May 28, 2025 — Parental warmth and affection in early childhood can have life-long physical and mental health benefits for children, and new research points to an important underlying process: children's sense ...

Managing Surrogate Species, Providing a Conservation Umbrella for More Species

May 23, 2025 — A new study shows that monitoring and managing select bird species can provide benefits for other species within specific ...

May 21, 2025 — Hurricane winds are a major contributor to storm-related losses for people living in the southeastern coastal states. As the global temperature continues to rise, scientists predict that hurricanes ...

Southeast Asia Could Prevent Up to 36,000 Ozone-Related Early Deaths a Year by 2050 With Stricter Air Pollution Controls

May 21, 2025 — A study has found that implementing robust air pollution control measures could mean Southeast Asian countries prevent as many as 36,000 ozone-related premature deaths each year by ...

Landmark Report Reveals Key Challenges Facing Adolescents

May 20, 2025 — Poor mental health, rising obesity rates, exposure to violence and climate change are among the key challenges facing our adolescents today, according to a global ...

Thousands of Animal Species Threatened by Climate Change

May 20, 2025 — A novel analysis suggests more than 3,500 animal species are threatened by climate change and also sheds light on huge gaps in fully understanding the risk to the animal ...

New Study Shows AI Can Predict Child Malnutrition, Support Prevention Efforts

May 14, 2025 — A multidisciplinary team of researchers has developed an artificial intelligence (AI) model that can predict acute child malnutrition in Kenya up to six months in advance. The tool offers governments ...

New Global Model Shows How to Bring Environmental Pressures Back to 2015 Levels by 2050

May 14, 2025 — A new study finds that with bold and coordinated policy choices -- across emissions, diets, food waste, and water and nitrogen efficiency -- humanity could, by 2050, bring global environmental ...

Addressing Hearing Loss May Reduce Isolation Among the Elderly

May 12, 2025 — Providing hearing aids and advice on their use may preserve social connections that often wane as we age, a new study shows. Its authors say that this approach could help ease the loneliness epidemic ...

Studies Point to Redlining as a 'Perfect Storm' for Breast Cancer

May 9, 2025 — New research indicates that while the residential segregation policy was outlawed decades ago, it still impacts women's health ...

Researchers Develop Practical Solution to Reduce Emissions and Improve Air Quality from Brick Manufacturing in Bangladesh

May 8, 2025 — A new study analyzes the results of a randomized controlled trial (RCT) that showed that brick kiln owners in Bangladesh are willing and able to implement cleaner and more efficient business ...

Why People Reject New Rules -- But Only Until They Take Effect

May 8, 2025 — From seatbelt laws to new speed limits -- many people soon stop resisting policy changes that restrict their personal freedom once the new rules come into force. Researchers also identified the ...

Warming Climate Making Fine Particulate Matter from Wildfires More Deadly and Expensive

May 7, 2025 — Scientists say human-caused climate change led to 15,000 additional early deaths from wildfire air pollution in the continental United States during the 15-year period ending in ...

Groundbreaking Device Instantly Detects Dangerous Street Drugs, Offering Hope for Harm Reduction

May 7, 2025 — Groundbreaking device instantly detects dangerous street drugs, offering hope for harm reduction A portable device that instantly detects illicit street drugs at very low concentrations, thereby ...

New Study Tracks Air Pollution and CO2 Emissions Across Thousands of Cities Worldwide

May 7, 2025 — In a sweeping new study of more than 13,000 urban areas worldwide, researchers have mapped air pollution levels and carbon dioxide emissions, providing comprehensive global analysis of urban ...

Climate Change: Future of Today's Young People

May 7, 2025 — Climate scientists reveal that millions of today's young people will live through unprecedented lifetime exposure to heatwaves, crop failures, river floods, droughts, wildfires and tropical ...

Cutting Greenhouse Gases Will Reduce Number of Deaths from Poor Air Quality

May 6, 2025 — Up to 250,000 deaths from poor air quality could be prevented annually in central and western Europe by 2050 if greenhouse gas emissions are drastically reduced, say ...

Sustainability Often Used as a Buzzword in Agricultural Genomics

May 6, 2025 — Claims about sustainability are increasing in agricultural genomics research, but the term is often not well-defined, leading to potential concerns about the impact and credibility of the research, ...

Structural Barriers May Prevent Cancer Care for People Living With HIV

May 5, 2025 — People living with HIV are less likely to receive potentially lifesaving cancer treatment if they live in communities with lower income levels and educational attainment, according to a new US ...